It works great, I lay the tubes on the blades, the 2 lines on the board are markers for a 1 inch body or 2 inch body. I then put a piece of rubberized belting material over them then a piece of wood over that then press them with a 3ton arbor press. go to this link to see a few i did
http://www.tackleunderground.com/forum/showthread.php?t=11937